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Multiply by 10, 100 and 1000 Worksheet

Maths tricks trick 4: Times 10, 100 and 1000 · Set 338 · 40 questions
TalentJR

The trick (Place-value slide): × 10: write one 0 after the number. × 100: write two 0s. × 1000: write three 0s. Missing number: count how many zeros were added — one 0 is × 10, two 0s is × 100.

NameDateTime takenScore ___ / 40
  1. 1.17 × 10 =
  2. 2.81 × ? = 8100
  3. 3.4 × 100 =
  4. 4.14 × 100 =
  5. 5.34 × 1000 =
  6. 6.51 × 100 =
  7. 7.35 × 1000 =
  8. 8.42 × ? = 42000
  9. 9.524 × 10 =
  10. 10.657 × ? = 6570
  11. 11.20 × ? = 2000
  12. 12.40 × 100 =
  13. 13.170 × 10 =
  14. 14.63 × 100 =
  15. 15.78 × 10 =
  16. 16.445 × 10 =
  17. 17.402 × 10 =
  18. 18.15 × 100 =
  19. 19.555 × ? = 5550
  20. 20.13 × 1000 =
  21. 21.33 × 100 =
  22. 22.517 × 10 =
  23. 23.2 × 1000 =
  24. 24.712 × 10 =
  25. 25.25 × 1000 =
  26. 26.86 × 100 =
  27. 27.774 × ? = 7740
  28. 28.18 × 1000 =
  29. 29.6 × 100 =
  30. 30.111 × ? = 1110
  31. 31.75 × 100 =
  32. 32.96 × 100 =
  33. 33.282 × 10 =
  34. 34.50 × 1000 =
  35. 35.3 × 1000 =
  36. 36.52 × 100 =
  37. 37.12 × ? = 1200
  38. 38.301 × ? = 3010
  39. 39.344 × ? = 3440
  40. 40.2 × ? = 2000

Answer key

  1. 170
  2. 100
  3. 400
  4. 1400
  5. 34000
  6. 5100
  7. 35000
  8. 1000
  9. 5240
  10. 10
  11. 100
  12. 4000
  13. 1700
  14. 6300
  15. 780
  16. 4450
  17. 4020
  18. 1500
  19. 10
  20. 13000
  21. 3300
  22. 5170
  23. 2000
  24. 7120
  25. 25000
  26. 8600
  27. 10
  28. 18000
  29. 600
  30. 10
  31. 7500
  32. 9600
  33. 2820
  34. 50000
  35. 3000
  36. 5200
  37. 100
  38. 10
  39. 10
  40. 1000

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